2025 Toyota Grand Highlander
Key Replacement - Save vs Dealer in San Diego

2025 Toyota Grand Highlander Smart Key Replacement - Fast, Affordable & Professional

A guy had driven his 2025 Grand Highlander out to a campground in the hills outside Downtown Fallbrook. No cell service at the tent site, so he walked to the camp host's phone to call me. All keys lost. Push-to-start. Zero fobs registered to the car. The vehicle felt completely dead to him, which is how every push-to-start owner describes it when they have nothing to hold up to that start button.

I drove out to him. All-keys-lost on a current Toyota smart key system is a different animal than adding a spare. There is no mechanical ignition to bypass, no key slot to fall back on. The immobilizer has to be accessed through the diagnostic port, the old key data cleared from memory, and new fob credentials written in. On a vehicle this new, you need current software and the right equipment. It is a field job when you have those things. It is not a field job when you don't.

I pulled up next to his site, connected, cleared the old registration, and enrolled a new fob. He held it up to the start button. The dash lit up. He said something like, "that's it?" Yeah, that's it.

He mentioned the dealer had quoted him a tow plus a wait of several days before they could even look at it. He was back on the road the same afternoon. The dealer comparison was almost an afterthought at that point.

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